KJo's 'biggest blockbuster' moment with Ranbir-Alia, Deepika-Ranveer

Karan Johar has shared a rare, memorable frame, which he has called the "biggest blockbuster ever" as it features him along with Shah Rukh Khan, Aamir Khan, Ranbir Kapoor, Alia Bhatt, Ranveer Singh and Deepika Padukone.